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1、轴承座专题 6F实体建模: 自上而下INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座说明建立轴承座的1/2对称 实体模型。以p-block.db 文件名 保存数据库文件Counterbore 1.0R, 0.1875 deepBase 6 x 3 x 1Web, 0.15 thickAll dimensions in inches1.75Four 0.75D holes, 0.75 offset from cornerBushing, 0.85RBracket 1.5R, 0.75 thickINTRO
2、DUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座1.按教师指定的工作目录，用“p-block”作为作业名， 进入 ANSYS2.打开等轴视图方位:按ISO 或用命令:/VIEW,1,1,1,13.创建轴承座的基础 :Main Menu Preprocessor Modeling Create Volumes Block By Dimensions输入 X1 = 0, X2 = 3, Y1 = 0, Y2 = 1, Z1 = 0, Z2 = 3,然后按OK 或用命令:/PREP7BLOCK,0,3,0,1,0,3
3、INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座4.将工作平面移到 X=2.25, Y=1.25, Z=.75:Utility Menu WorkPlane Offset WP by Increments 设置 X,Y,Z Offsets = 2.25, 1.25, 0.75设置XY, YZ, ZX Angles = 0, -90, 0, 然后按 OK 或用命令:WPOFF, 2.25, 1.25, 0.75WPROT, 0, -90, 0INTRODUCTION TO ANSYS 8.0 - Part
4、 1Workshop Supplement6F. 实体建模：自上而下 轴承座5.创建直径为0.75 英寸深度为-1.5 英寸的圆柱 :Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder输入Radius = 0.75/2输入Depth = -1.5, 然后按 OK 或用命令:CYL4, , ,0.75/2, , , ,-1.56.将圆柱考贝到DZ=1.5的新位置 :Main Menu Preprocessor Modeling Copy Volumes +拾取柱体 (体号 2),按 OKDZ = 1.5,
5、按 OK 或用命令:VGEN,2,2, , , , ,1.5, ,0INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座7.从轴承座基础中挖出两个圆孔:Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes拾取轴承座基础的体 (体 1), 按 OK拾取两个圆柱体 (体 2 和体3), 然后按 OK 或用命令:VSBV, 1, ALLINTRODUCTION TO ANSYS 8.0 - Part 1Workshop Suppleme
6、nt6F. 实体建模：自上而下 轴承座8.在整体坐标系中改变工作平面的相对位置:Utility Menu WorkPlane Align WP with Global Cartesian 或用命令: WPCSYS,-1,0 VPLOT9.创建套筒托架的基础:Main Menu Preprocessor Modeling Create Volumes Block By 2 Corners & ZWP X = 0 WP Y = 1 Width = 1.5Height = 1.75Depth = 0.75, then OK 或用命令: BLC4,0,1,1.5,1.75,0.7510. 将工作平面移
7、到套筒托架的正面:Utility Menu WorkPlane Offset WP to Keypoints +拾取正面左角顶部的关键点,按 OK 或用命令: KWPAVE, 16INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座11. 创建套筒托架的拱:Main Menu Preprocessor Modeling Create Volumes Cylinder Partial Cylinder输入WP X = 0输入WP Y = 0输入Rad-1 = 0输入Theta-1 = 0输入Rad-2 = 1
8、.5输入Theta-2 = 90输入Depth = -0.75, 然后按 OK 或用命令:CYL4,0,0,0,0,1.5,90,-0.75INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座12.通过套筒托架的孔创建圆柱:Main Menu Preprocessor Modeling Create Volumes Cylinder Solid CylinderWP X = 0WP Y = 0Radius = 1Depth = -0.1875,然后按 ApplyWP X = 0WP Y = 0Radius
9、= 0.85Depth = -2, 然后按 OK 或执行:CYL4,0,0,1, , , ,-0.1875CYL4,0,0,0.85, , , ,-2 Counterbore Through holeINTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座13.挖掉两个圆柱，形成轴承座和套筒的孔:Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes拾取两个形成套筒托架拱和基础的体按Apply拾取轴承座柱按Apply拾取同样的两个基础的
10、体按Apply拾取通过孔的圆柱按OK14.合并相同的关键点:Main Menu Preprocessor Numbering Ctrls Merge Items设置标号 “Keypoints”,然后按 OK 或用命令:NUMMRG,KPArch and Base of Bushing BracketINTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座15. 创建腹板:15a. 在基础正面顶边的中间建立一个关键点:Main Menu Preprocessor Modeling Create Keypoints
11、 KP between KPs在基础上拾取两个位于正上方拐角处的关键点，按 OKRATI = 0.5, 然后按OK 或用命令:KBETW,7,8,0,RATI,0.51st Keypoint2nd KeypointINTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座15b.创建三角形面:Main Menu Preprocessor Modeling Create Areas Arbitrary Through KPs在轴承座基础和套筒托架基础相交的位置，拾取第一个关键点 X=1.5在拱表面底部和套筒托架基础
12、相交的位置，拾取第二个关键点 X=1.5拾取在14a步骤中建立的位于X=1.5, Y=1, Z=3的第三个关键点按Ok 或用命令:A,14,15,91st Keypoint3rd Keypoint2nd KeypointINTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座15c.沿面的法线方向拉伸面:Main Menu Preprocessor Modeling Operate Extrude Areas Along Normal拾取在步骤14b中建立的三角形面,按 OK输入DIST = -0.15, 然后
13、按OK 或用命令:VOFFST,3,-0.15INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6F. 实体建模：自上而下 轴承座16. 组合体: Main Menu Preprocessor Modeling Operate Booleans Glue Volumes拾取Pick All 或用命令:VGLUE,ALL17. 打开体号的显示开关，画体:Utility Menu PlotCtrls Numbering 设置 Volume numbers选项为 on, 按 OK 或用命令:/PNUM,VOLU,1VPLOT18. 保存数据库，
14、退出 ANSYS:Pick the “SAVE_DB” button in the ToolbarPick the “QUIT” button in the Toolbar选择 “Quit - No Save!”按OK 或用命令:FINISH/EXIT,ALL连杆练习 6G实体建模: 由下而上INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6G.实体建模-由下而上 连杆说明用由下而上建模技 术，建立连杆几何 模型。6.52.50.51.80.31.0R1.4R0.4R0.7R45oSpline through six control p
15、ointsCLCL Crank pin endWrist pin endAll dimensions in inches45o0.280.40.334.754.03.25INTRODUCTION TO ANSYS 8.0 - Part 1Workshop Supplement6G.实体建模-由下而上 连杆1.按教师指定的工作目录，用“c-rod” 作为作业名，进入ANSYS。2.创建两个圆形面:Main Menu Preprocessor Modeling Create Areas Circle By Dimensions输入RAD1 = 1.4输入RAD2 = 1输入THETA1 = 0输入THETA2 = 180, 然后选择Apply输入THETA1 = 45, 然后选择OK 或用命令:/PREP7PCIRC,1.4,1,0,180 PCIRC,1.4,1,45,1803.打开 面号:Utility Menu PlotCtrls Numbering .设置面号为 “on”, 然后选择O
